Crystal Palace hosted Arsenal in a Premier League match looking to avenge their defeat to the Gunners midweek when the two teams met in the Carabao Cup.
Place are unbeaten in the league in five games, and they beat Brighton 3-1 in their last match.
Oliver Glasner and Palace were showing signs of improvement ahead of tonight's 5-1 demolition of the Gunners.
Mikel Arteta was encouraged by Jesus' hat-trick on Wednesday, which has seen him start in Arsenal's attack tonight.
The Brazilian forward took advantage of his opportunity again, scoring twice in 14 minutes to help the Gunners secure an easy victory at Crystal Palace.
Kia Haverz, who started in midfield tonight, added the third goal before Martanelli added Arsenal's fourth.
Arsenal, who were enjoying themselves, scored their fifth goal, courtesy of substitute Declan Rice.
The Gunners have now reduced their points gap over Liverpool, to just three points.